From mboxrd@z Thu Jan 1 00:00:00 1970 From: sergei.shtylyov@cogentembedded.com (Sergei Shtylyov) Date: Wed, 04 Jun 2014 23:32:48 +0400 Subject: [PATCH] ARM: fix debug prints relevant to PCI devices In-Reply-To: <1401909447-8434-1-git-send-email-vidyas@nvidia.com> References: <1401909447-8434-1-git-send-email-vidyas@nvidia.com> Message-ID: <538F7460.6020600@cogentembedded.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello. On 06/04/2014 11:17 PM, Vidya Sagar wrote: > As per PCIe spec, fast back-to-back transactions feature > is not applicable to PCIe devices. Hence, do not print > that fast back-to-back trasactions are disabled when > there is a PCIe device found on the bus > Signed-off-by: Vidya Sagar > --- > arch/arm/kernel/bios32.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c > index 17a26c1..95ad3fb 100644 > --- a/arch/arm/kernel/bios32.c > +++ b/arch/arm/kernel/bios32.c [...] > @@ -354,9 +357,11 @@ void pcibios_fixup_bus(struct pci_bus *bus) > > /* > * Report what we did for this bus > + * (only if the bus doesn't have even one PCIe device) > */ > - printk(KERN_INFO "PCI: bus%d: Fast back to back transfers %sabled\n", > - bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" : "dis"); > + if (!has_pcie_dev) > + printk(KERN_INFO "PCI: bus%d: Fast back to back transfers %sabled\n", Time to change this to pr_info()... > + bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" : "dis"); > } > EXPORT_SYMBOL(pcibios_fixup_bus); WBR, Sergei